“When to offer someone a seat can sometimes be a complicated question,” notes Vondráček, who explains the etiquette of giving up one’s seat in this video. “Personally, when I’m not sure, I get up…and pretend to study the route map,” he explains. He then says that it is usually obvious when to give up a seat for someone else. The end of the video reminds viewers to give up seats “for seniors, pregnant women, and ZTP [disability] card holders.”